package com.skycode.servlet;
import com.skycode.dao.NewsDao;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;


@WebServlet("newsDel.jsp")
public class NewsDelServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        int NewsId = Integer.parseInt(req.getParameter("NewsID"));
        int result = (new NewsDao()).delete(NewsId);
        if (result>0){
            resp.sendRedirect("news.jsp");//参数是相对网址
        }else {
            req.setAttribute("msg","更新失败");//错误页面显示的内容
            req.setAttribute("url","new.jsp");//显示错误信息后跳转的页面
            req.getRequestDispatcher("WEB-INF/error.jsp").forward(req,resp);
        }
    }
}
